﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace work3
{
	class StringUtil
	{
		public static void IsEmpty(string a,bool b)
		{
			bool b = true;
			if (a!=null && a !=" ")
			{
				foreach (var item in a)
				{
					bool b = false;
					break;
					
				}
			}
			return b;
		}
	}
}
